Definition of Coronograph

1. Noun. (astronomy) A telescope, fitted with an attachment that blocks out direct rays from the sun, used to study and photograph the corona of the sun ¹

2. Noun. (astronomy) The attachment used in such a telescope ¹

¹ Source: wiktionary.com

Definition of Coronograph

1. [n -S]

Lexicographical Neighbors of Coronograph

coronet
coroneted
coronets
coronetted
coronial
coronides
coroniform
coronilla
coronin
coronion
coronis
coronises
coronitis
coronium
coroniums
coronograph (current term)
coronographs
coronoid
coronoid fossa of humerus
coronoid process
coronoid process of the mandible
coronoidectomy
coronosaurian
coronule
coronules
coronæ
coroplast
coroplastic
corotate
corotated

Literary usage of Coronograph

Below you will find example usage of this term as found in modern and/or classical literature:

1. Monthly Notices of the Royal Astronomical Society by Royal Astronomical Society (1887)
"61° 46'W. Captain Darwin with the coronograph exposed six plates during totality, one for five seconds, one for ten seconds, and four instantaneous. ..."

2. Publications of the Astronomical Society of the Pacific by Astronomical Society of the Pacific (1893)
"Professor HALE does not regard the observations with his ' ' coronograph " as at all successful, possibly owing to the fact that the atmospheric conditions ..."

3. The Observatory (1907)
"The instrument employed was the full aperture of the 4-inch lens of the ao-foot coronograph belonging to the Royal Irish Academy. ..."

4. Year-book of the Royal Society of London by Royal Society (Great Britain) (1899)
"... with the Thomson coronograph, object glass 9 inches diameter, 8 feet 6 inches focus, with a concave enlarging lens giving an equivalent focus of about ..."

5. Giant Sun and His Family by Mary Proctor (1906)
"Professor Todd secured some two hundred and fifty photographs of the corona with his automatic coronograph. Very good observations of the shadow bands were ..."

6. Astronomischer Jahresbericht by Astronomische Gesellschaft (Germany), Astronomisches Rechen-Institut zu Berlin-Dahlem, Astronomisches Rechen-Institut, Heidelberg, Coppernicus-Institut, Königliches Astronomisches Rechen-Institut zu Berlin (1902)
"... Fernrohr von Steinheil, photographische Kamera von 94mm Oeffnung und Spektrographen, sowie coronograph mit ..."

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